Home / 57,836.78-86,828.10-49,989.14

Finding the Fourth Proportional to 57,836.78, 86,828.10 and 49,989.14

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Solution

The fourth proportional to 57,836.78, 86,828.10 and 49,989.14 is: 75,046.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,836.78 : 86,828.10 = 49,989.14 : x
  2. Step 2: Convert to fraction form
    57,836.78/86,828.10 = 49,989.14/x
  3. Step 3: Cross multiply
    57,836.78x = 86,828.10 × 49,989.14
  4. Step 4: Simplify right side
    57,836.78x = 4,340,462,046.83
  5. Step 5: Solve for x
    x = 4,340,462,046.83/57,836.78
  6. Step 6: Final answer
    x = 75,046.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.